<?php

class PacketController extends Controller
{
	const PAGE_SIZE=10;

	/**
	 * @var CActiveRecord the currently loaded data model instance.
	 */
	private $_model;

	/**
	 * @return array action filters
	 */
//	public function filters()
//	{
//		return array(
//			'accessControl', // perform access control for CRUD operations
//		);
//	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
//	public function accessRules()
//	{
//		return array(
//			array('allow',  // allow all users to perform 'index' and 'view' actions
//				'actions'=>array('index','view'),
//				'users'=>array('*'),
//			),
//			array('allow', // allow authenticated user to perform 'create' and 'update' actions
//				'actions'=>array('create','update'),
//				'users'=>array('@'),
//			),
//			array('allow', // allow admin user to perform 'admin' and 'delete' actions
//				'actions'=>array('admin','delete'),
//				'users'=>array('admin'),
//			),
//			array('deny',  // deny all users
//				'users'=>array('*'),
//			),
//		);
//	}

	/**
	 * Displays a particular model.
	 */
	public function actionView()
	{
		$this->render('view',array(
			'model'=>$this->loadModel(),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Packet;
		if(isset($_POST['Packet']))
		{
			$model->attributes=$_POST['Packet'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionUpdate()
	{
		$model=$this->loadModel();
		if(isset($_POST['Packet']))
		{
			$model->attributes=$_POST['Packet'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 */
	public function actionDelete()
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel()->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_POST['ajax']))
				$this->redirect(array('index'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new MyActiveDataProvider('Packet', array(
			'pagination'=>array(
				'pageSize'=>self::PAGE_SIZE,
			),
			'criteria'=>array(
				'with'=>array('speed'),
			),
			'filter'=>array(
				'new'=>array(
					'class'=>'MyFilterSearch',
					'column'=>'t.name',
				),
			)
		));
		
		//$dataProvider->criteria->mergeWith(Packet::model()->active()->getDbCriteria());

		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$t=create_function('$t','return "t.".$t->name;');
		$dataProvider=new CActiveDataProvider('Packet', array(
			'pagination'=>array(
				'pageSize'=>self::PAGE_SIZE,
			),
			'criteria'=>array(
				'with'=>array('speed'),
			),
			'sort'=>array(
				'defaultOrder'=>'id',
				//'attributes' => array_map($t, Packet::model()->getMetaData()->columns)
			),
		));

		$this->render('admin',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 */
	public function loadModel()
	{
		if($this->_model===null)
		{
			if(isset($_GET['id']))
				$this->_model=Packet::model()->findbyPk($_GET['id']);
			if($this->_model===null)
				throw new CHttpException(404,'The requested page does not exist.');
		}
		return $this->_model;
	}
}
